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reference designMPQ7920 | Demoboard EVQ7920-R-00A

Monolithic Power Systems MPQ7920 | Demoboard EVQ7920-R-00A

5V Power Management IC with 4 Buck Converters, 5 LDOs, I2 C Interface, and MTP Evaluation Board

Overview

TopologyBuck Converter
Input voltage2.7-5.5 V
Output 13.58 V
IC revision1.1

Description

The EVQ7920-R-00A is an evaluation board designed to demonstrate the capabilities of the MPQ7920, a power management IC (PMIC) solution with four integrated, high efficiency, DC/DC step-down converters; five low-dropout (LDO) regulators; and a flexible I2C interface. Constant-on-time (COT) control provides fast transient response for the step-down converters. During continuous conduction mode (CCM), the adjustable switching frequency (fSW) (up to 2.75MHz) reduces the external inductance and capacitance.

Features

  • High-Efficiency Step-Down Converters:
  • Buck 1: 4.5A DC/DC Converter
  • Buck 2: 2.5A DC/DC Converter
  • Buck 3: 4.5A DC/DC Converter
  • Buck 4: 2A DC/DC Converter
  • Buck 1 and Buck 3 Can Operate in Parallel
  • Buck 2 and Buck 4 Can Operate in Parallel
  • 2.7V to 5.5V Input Voltage (VIN) Range
  • Buck 1, Buck 2, and Buck 3 VOUT:
  • 0.4V to 2.2V/7.4mV Step
  • 0.4V to 3.58V/12.5mV Step
  • Buck 4 VOUT: 0.4V to 3.58V/12.5mV Step
  • Configurable fSW, tSS, and Phase Delay
  • Configurable Forced PWM (FPWM)
  • Mode, Auto-PFM Mode, and Auto-PWM
  • Output OCP and OVP
  • Low-Dropout (LDO) Regulators:
  • One RTC Dedicated LDO
  • Four Low-Noise LDOs
  • Two Separate Input Power Supplies
  • 25mV Dropout Voltage at 150mA Load
  • I2C Interface and Configurable MTP (1)
  • Enable (EN) On/Off Control
  • Multi-Function Pin (LDO2/EN1) (2)
  • Start-Up Reset Output (RSTO)
  • 0.5ms/2ms/8ms/16ms Flexible Start-Up Sequence via the MTP
  • Flexible DC/DC LDO On/Off Control via the MTP
  • ESD Ratings (All Pins): ±4kV HBM and ±2kV CDM

Typical applications

  • Automotive Infotainment Systems, Automotive Video Recording Devices, Automotive Display Electronics

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
C
Tol. C
VR(V (DC))
Size
Operating Temperature
DF(%)
RISO
Ceramic Type
L(mm)
W(mm)
Fl(mm)
Packaging
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
Qty.
H(mm)
Operation Force(g)
Electrical Life(Cycles)
Actuator Color
Washable
Vaporphase process
SamplesAvailability & Sample
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885012206046
SPECWCAP-CSGP MLCCs 16 V(DC), 100 nF, ±10%
Simu­lation
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Downloads9 files

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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 16 V(DC)
Capacitance100 nF
Capacitance±10% 
Rated Voltage16 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor3.5 %
Insulation Resistance5 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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Packaging Unit4000 
Height0.8 mm
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744311100
SPECWE-HCI SMT Flat Wire High Current Inductor, –, –
Simu­lation
Availability
–
Downloads9 files

EDA models: Components ZIP

CAD files ZIP

Electric models ZIP

Download all 9 files as zip archive
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
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Size7040 
Operating Temperature -40 °C up to +150 °C
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Length7 mm
Width6.9 mm
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Inductance1 µH
Performance Rated Current16.8 A
Saturation Current @ 10%8 A
Saturation Current @ 30%19 A
DC Resistance4.6 mΩ
Self Resonant Frequency85 MHz
MaterialSuperflux 
Packaging Unit1000 
Height3.8 mm
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744311150
SPECWE-HCI SMT Flat Wire High Current Inductor, –, –
Simu­lation
Availability
–
Downloads9 files

EDA models: Components ZIP

CAD files ZIP

Electric models ZIP

Download all 9 files as zip archive
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
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Size7040 
Operating Temperature -40 °C up to +150 °C
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Length7 mm
Width6.9 mm
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Inductance1.5 µH
Performance Rated Current13.8 A
Saturation Current @ 10%4.5 A
Saturation Current @ 30%14 A
DC Resistance6.6 mΩ
Self Resonant Frequency72 MHz
MaterialSuperflux 
Packaging Unit1000 
Height3.8 mm
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430181038816
SPECWS-TASV SMT Tact Switch 4.5x4.5 mm with Height 3.8mm, –, –
Simu­lation–
Availability
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Downloads6 files

EDA models: Components ZIP

CAD files ZIP

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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWS-TASV SMT Tact Switch 4.5x4.5 mm with Height 3.8mm
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Rated Voltage12 V (DC)
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Operating Temperature -40 °C up to +85 °C
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Insulation Resistance100 MΩ
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PackagingTape and Reel 
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Packaging Unit1800 
Height3.8 mm
Operation Force160 g
Electrical Life1000000 Cycles
Actuator ColorBlack 
WashableNo 
Vaporphase processnot specified 
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